1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  /**
24   * The contents of this file are subject to the terms of the Common Development
25   * and Distribution License (the License). You may not use this file except in
26   * compliance with the License.
27   *
28   * You can obtain a copy of the License at http://www.sun.com/cddl/cddl.html and
29   * legal/CDDLv1.0.txt. See the License for the specific language governing
30   * permission and limitations under the License.
31   *
32   * When distributing Covered Code, include this CDDL Header Notice in each file
33   * and include the License file at legal/CDDLv1.0.txt.
34   *
35   * If applicable, add the following below the CDDL Header, with the fields
36   * enclosed by brackets [] replaced by your own identifying information:
37   * "Portions Copyrighted [year] [name of copyright owner]"
38   *
39   * Copyright 2009 Sun Microsystems Inc. All rights reserved.
40   */
41  
42  package com.liferay.portal.spring.aop;
43  
44  import com.liferay.portal.kernel.log.Log;
45  import com.liferay.portal.kernel.log.LogFactoryUtil;
46  
47  import java.util.HashMap;
48  import java.util.Map;
49  
50  import org.aspectj.lang.ProceedingJoinPoint;
51  
52  /**
53   * <a href="LogAdvice.java.html"><b><i>View Source</i></b></a>
54   *
55   * @author Karthik Sudarshan
56   * @author Brian Wing Shun Chan
57   * @author Michael Young
58   */
59  public class LogAdvice {
60  
61      public Object invoke(ProceedingJoinPoint proceedingJoinPoint)
62          throws Throwable {
63  
64          String typeName = proceedingJoinPoint.getTarget().getClass().getName();
65  
66          Log log = getLog(typeName);
67  
68          if (log.isInfoEnabled()) {
69              log.info("Before " + typeName);
70          }
71  
72          Object returnVal = proceedingJoinPoint.proceed();
73  
74          if (log.isInfoEnabled()) {
75              log.info("After " + typeName);
76          }
77  
78          return returnVal;
79      }
80  
81      protected Log getLog(String typeName) {
82          Log log = _logs.get(typeName);
83  
84          if (log == null) {
85              log = LogFactoryUtil.getLog(typeName);
86  
87              _logs.put(typeName, log);
88          }
89  
90          return log;
91      }
92  
93      private static Map<String, Log> _logs = new HashMap<String, Log>();
94  
95  }